Keith G Spanjer

Title: Innovations of Keith G. Spanjer

Introduction

Keith G. Spanjer is a notable inventor based in Scottsdale, AZ, with a remarkable portfolio of 13 patents. His work primarily focuses on enhancing the performance and reliability of electronic devices through innovative encapsulation methods.

Latest Patents

One of Spanjer's latest patents is a method for improving the adhesion of a plastic encapsulant to copper. This method involves exposing leadframes to an active oxygen ambient, such as 10-30% hydrogen peroxide, at temperatures below the leadframe annealing temperature. This treatment strengthens the native oxide present on the leadframes without creating an oxide that could interfere with subsequent bonding processes. Additionally, Spanjer has developed a laser markable molding compound that enhances the encapsulation of electronic devices. By adding titanium dioxide and chromium trioxide to common plastic encapsulants, the material achieves a high contrast durable mark when irradiated by a laser, significantly improving marking contrast and stability over time.

Career Highlights

Spanjer has made significant contributions to the field of electronics while working at Motorola Corporation. His innovative approaches have led to advancements in encapsulation techniques, which are crucial for the durability and performance of electronic components.

Collaborations

Spanjer has collaborated with notable colleagues, including Dennis R. Olsen and Jerry M. Du Bois, to further enhance the development of encapsulation technologies.

Conclusion

Keith G. Spanjer's contributions to the field of electronics through his innovative patents and collaborative efforts have made a significant impact on the industry. His work continues to influence the development of reliable electronic devices.